Linux Administrator – L1 Support Engineer
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Job Description
Linux L1 Administrator monitoring and troubleshooting 24x7 Linux servers for an IT services company. Handling incidents, routine administration, backups, and SLA-driven support.
Responsibilities:
- Monitor Linux servers, applications, and services using enterprise monitoring tools
- Monitor CPU, memory, disk, swap, network, and process utilization
- Respond to alerts and incidents generated by monitoring platforms
- Escalate unresolved issues to L2/L3 teams according to the escalation matrix
- Perform daily server health checks
- Create, modify, and delete user accounts
- Perform password resets and account unlocks
- Manage file system and directory permissions
- Diagnose and resolve basic Linux OS issues
- Analyze system logs and identify recurring issues
- Handle service restart requests and perform basic troubleshooting
- Ensure ticket updates and SLA compliance
- Participate in shift handovers and operational reviews
- Verify backup completion status
- Monitor disk usage and filesystem growth and perform filesystem management
- Perform log rotation and cleanup activities
- Coordinate server reboot and maintenance activities
Requirements:
- Foundational understanding of Linux operating systems
- Foundational understanding of networking
- Foundational understanding of troubleshooting
- Foundational understanding of IT service management processes
- Knowledge of Red Hat Enterprise Linux (RHEL), CentOS, Ubuntu Linux, and Oracle Linux
- Knowledge of TCP/IP, DNS, DHCP, SSH, FTP/SFTP, Ping, Traceroute, and Telnet
- Basic package installation and updates using YUM/DNF, APT, and RPM
- Hands-on knowledge of any cloud platform and infrastructure
- Preferred certification in any Linux version and vendor
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